Fastener head



FIG. 1 is a front elevation of the fastener head of my invention;

FIG. 2 is a right side elevation of the fastener head shown in FIG. 1;

FIG. 3 is a rear elevation of the fastener head shown in FIG. 1;

FIG. 4 is a left side elevation of the fastener head shown in FIG. 1;

FIG. 5 is a top plan view of the fastener head shown in FIG. 1; and,

FIG. 6 is a bottom plan view of the fastener head shown in FIG. 1.

The broken line showing a partially threaded bolt shank in FIGS. 1 through 4 and 6 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a fastener head, as shown and described. 